Listar por autor "Soto-Martin, Juan"
Mostrando ítems 1-20 de 34
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Aportación al estudio sobre la fenología reproductora de las algas pardas y verdes del litoral del Sureste de España
Soto-Martin, Juan
(Universidad de Málaga, Servicio de Publicaciones, 1991)
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Aportaciones al conocimiento ficogeográfico del sureste de la Península Ibérica
Soto-Martin, Juan; Conde Poyales, Francisco (Universidad de Málaga, Servicio de Publicaciones, 1988)
Se hace un ensayo biogeográfico sobre la flora algal bentónica del Sureste de la Península Ibérica constatándose, la existencia de un componente de tropicalidad más acusado que en las áreas próximas, y al mismo tiempo, se ... -
Charge transfer in the nanoscale and SERS: understanding the huge efficiency of the electrode potencial in tuning the CT states
Centeno-Benigno, Silvia Patricia; Ruano, Cristina; Roman-Perez, Jessica; López-Tocón, Isabel; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos[et al.] (2014-09-10)
This work deals with the unexplained efficiency of the electrode potential in tuning the energy of the CT states of hybrid systems formed by molecules and metallic nano structures. Huge energy gain up to 5eV/V observed in ... -
Charge Transfer mechanism in the Surface Enhanced Raman Scattering of 2,2'-bipyridine recorded on a silver electrode
Valdivia Mantas, Samuel; Aranda Ruiz, Daniel; López-Tocón, Isabel; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos; Avila-Ferrer, Francisco Jose[et al.] (2018-07-17)
Nowadays, Surface Enhanced Raman Spectroscopy (SERS) has become a powerful technique to investigate the electronic structure of surface-molecule hybrid systems due to the huge enhancement of the Raman signal. It is established ... -
Chec-list of Andalusia (S. Spain) Seaweeds. II Chlorophyceae
Sánchez, Alberto; Soto-Martin, Juan; Conde Poyales, Francisco; Altamirano-Jeschke, María; Flores-Moya, Antonio; Reyes, Gracia[et al.] (Universidad de Málaga, Servicio de Publicaciones, 1995)
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Check-list of Andalisia (S Spain) Seaweeds. III. "Rhodophyceae"
Sánchez, Alberto; Altamirano-Jeschke, María; Soto-Martin, Juan; Conde Poyales, Francisco; Flores-Moya, Antonio (Universidad de Málaga, Servicio de Publicaciones, 1996)
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Check-list of Andalusia (S. Spain) Seaweeds. I Phaeophyceae
Sánchez, Alberto; Conde Poyales, Francisco; Altamirano-Jeschke, María; Flores-Moya, Antonio; Reyes, Gracia; Soto-Martin, Juan[et al.] (Universidad de Málaga, Servicio de Publicaciones, 1995)
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Comparative performance of theoretical tools in order to quantify the effect of the electric potential on the vibrational wavenumbers and intensities of the SERS of 2-methylpyrazine adsorbed on a nanostructured silver electrode
Valdivia Mantas, Samuel; Aranda Ruiz, Daniel; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos; López-Tocón, Isabel (Wiley, 2022-11-16)
The effect of the electrode potential in surface-enhanced Raman scattering (SERS) intensities and wavenumbers of 2-methylpyrazine (2MP) was analyzed on the basis of a resonant charge transfer (CT) mechanism by using a ... -
Comparative study of different theoretical approaches for modeling the dependence of the SERS vibrational wavenumbers on the electrode potential
Aranda Ruiz, Daniel; Valdivia Mantas, Samuel; Soto-Martin, Juan; López-Tocón, Isabel; Avila-Ferrer, Francisco Jose; Otero-Fernandez-de-Molina, Juan Carlos[et al.] (2019-07-25)
Surface-enhanced Raman scattering (SERS) is a powerful technique to study the electronic structure of charged metal-molecule interfaces, which are relevant in many fields like electrochemistry, heterogeneous catalysis or ... -
A computational study of the vibrationally-resolved electronic circular dichroism spectra of single-chain transoid and cisoid oligothiophenes in chiral conformations
Aranda Ruiz, Daniel; Cerezo Bastida, Javier; Pescitelli, Gennaro; Avila-Ferrer, Francisco Jose; Soto-Martin, Juan; Santoro, Fabrizio[et al.] (2019-07-19)
Chiral polythiophenes (PTs) are interesting as organic electronics materials because of their optoelectronic properties, which may arise from ordered supramolecular packings. Chiroptical techniques like ECD can detect these ... -
DFT study of the effect of the electrode potential on anchoring of metal-molecule hybrids
Aranda Ruiz, Daniel; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos; Avila-Ferrer, Francisco Jose (2018-03-12)
The impact of the molecular adsorption process on the electronic structure is the key in phenomena involved in electrochemistry, catalysis, molecular electronics, SERS, photoelectric conversion, etc. The effect of the ... -
Effect of different excitation wavelength on SERS spectra of pyridine
López-Tocón, Isabel; Aranda Ruiz, Daniel; Avila-Ferrer, Francisco Jose; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos (2018-05-14)
SERS spectra of pyridine has been already recorded on a silver electrode in a potential range from 0.0 to -1.40 V with a saline solution, pyridine / KCl (0.1M / 0.1M), by using the 514.5 nm exciting line. Under these ... -
Effect of graphene substrate on the SERS Spectra of Aromatic bifunctional molecules on metal nanoparticles
Lopez-Ramirez, Maria Rosa; Castro, Jose Luis; Arenas, J.F.; Soto-Martin, Juan; Otero, J.C. (2016-06-27)
The design of molecular sensors plays a very important role within nanotechnology and especially in the development of different devices for biomedical applications. Biosensors can be classified according to various ... -
Elaboración de pruebas de conocimiento en un entorno virtual como método de evaluación continua
López-Tocón, Isabel; Centeno-Benigno, Silvia Patricia ; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos (2015-06-22)
Se ha realizado una serie de pruebas de conocimiento o cuestionarios, dentro de la plataforma Moodle, como método de evaluación continua de la asignatura de Química Física General que se imparte en el primer curso del Grado ... -
Electrochemical SERS spectra of isonicotinic acid analyzed under a photoinduced charge-transfer mechanism
López-Tocón, Isabel; Roman-Perez, Jessica; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos (2014-05-28)
Isonicotinic (IN) acid is one of the three monocarboxilic derivatives of pyridine in which the acid group is located in para-position of the heterocyclic ring. It is a weak acid (pK2=4.86) and therefore, it is not completely ... -
Electronic Structure of Nitrobenzene: A Benchmark Example of the Accuracy of the Multi-State CASPT2 Theory
Algarra-González, Manuel; Soto-Martin, Juan (ACS Publications, 2021-10-22)
The electronic structure of nitrobenzene (C6H5NO2) has been studied by means of the complete active space self-consistent field (CASSCF) and multi-state second-order perturbation (MS-CASPT2) methods. To this end, an ... -
Frequency shift on the potential-dependent surface-enhanced Raman scattering of pyridine: simplified models for metal and solvent effects
Aranda Ruiz, Daniel; López-Tocón, Isabel; Soto-Martin, Juan; Otero-Fernandez-de-Molina, Juan Carlos; Avila-Ferrer, Francisco Jose (2018-07-18)
The electronic structure of adsorbates is altered when it interacts with a surface, modifying the properties of both entities and giving rise to interesting phenomena related to heterogeneous catalysis or molecular ... -
Fundamentals and Applications of Surface-Enhanced Raman Spectroscopy (SERS)
Lopez-Ramirez, Maria Rosa; Otero-Fernandez-de-Molina, Juan Carlos; Soto-Martin, Juan; Castro, Jose Luis; Arenas, Juan F. (2019-05-16)
When a molecule is adsorbed on some metallic nanostructured surfaces such as silver, copper or gold, it can undergo an enormous enhancement of the Raman signal giving rise to the so called Surface-Enhanced Raman Scattering ... -
Mecanismos de Reacción Fotoquímicos de Nitro- y Nitrosocompuestos desde las Aproximaciones CASSCF y CASPT2: Relevancia de los procesos no adiabáticos
(Universidad de Málaga, Servicio de Publicaciones, 2007)Se ha abordado el estudio de los mecanismos de reacción fotoquímicos de nitrometano, nitrosometano, nitramida, nitrosamida y NNdimetilnitrosamina por métodos quimicocuánticos. Para ello se han estudiado las superficies ... -
Modeling the effect of the electrode potential in SERS by electronic structure calculations.
Avila-Ferrer, Francisco Jose; Aranda Ruiz, Daniel; Roman-Perez, Jessica; Lopez-Ramirez, Maria Rosa; López-Tocón, Isabel; Arenas, Juan Francisco; Otero-Fernandez-de-Molina, Juan Carlos; Soto-Martin, Juan[et al.] (2018-07-18)
Surface Enhanced Raman Spectroscopy (SERS), due to the ability of greatly intensify the weak Raman signal of molecules adsorbed to metal surfaces, has proven to be a very useful tool to investigate changes in the electronic ...